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charset=\"iso-8859-1\"","Content-Transfer-Encoding":"quoted-printable","MIME-Version":"1.0","X-OriginatorOrg":"htecgroup.com","X-MS-Exchange-CrossTenant-AuthAs":"Internal","X-MS-Exchange-CrossTenant-AuthSource":"PA3PR09MB8140.eurprd09.prod.outlook.com","X-MS-Exchange-CrossTenant-Network-Message-Id":"\n 0a79740a-33ce-4126-9c70-08de9c7c9bd8","X-MS-Exchange-CrossTenant-originalarrivaltime":"17 Apr 2026 12:26:53.7490 (UTC)","X-MS-Exchange-CrossTenant-fromentityheader":"Hosted","X-MS-Exchange-CrossTenant-id":"9f85665b-7efd-4776-9dfe-b6bfda2565ee","X-MS-Exchange-CrossTenant-mailboxtype":"HOSTED","X-MS-Exchange-CrossTenant-userprincipalname":"\n jhcD1IZ0kJh4OeshwJbtRqVyQ9mdsXha8flmLMQk3ltS1/uE9dmt/BSgbYuAMnJE5XSOHq8Jw+C6cC2SyjYodZEZBL96qQLAykGy3sbTSX8=","X-MS-Exchange-Transport-CrossTenantHeadersStamped":"DB9PR09MB6059","X-Mailman-Approved-At":"Fri, 17 Apr 2026 14:43:59 +0200","X-BeenThere":"u-boot@lists.denx.de","X-Mailman-Version":"2.1.39","Precedence":"list","List-Id":"U-Boot discussion ","List-Unsubscribe":",\n ","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n ","Errors-To":"u-boot-bounces@lists.denx.de","Sender":"\"U-Boot\" ","X-Virus-Scanned":"clamav-milter 0.103.8 at phobos.denx.de","X-Virus-Status":"Clean"},"content":"From: Chao-ying Fu \n\nAdd optional PHY reset support via GPIO defined in the device tree.\n\nImprove robustness by handling probe errors and falling back to the\nenvironment-provided MAC address if no hardware MAC is found.\n\nSigned-off-by: Chao-ying Fu \nSigned-off-by: Uros Stajic \n---\n board/mips/boston-riscv/Kconfig | 4 ++++\n drivers/net/pch_gbe.c | 37 +++++++++++++++++++++++++++++++--\n drivers/net/pch_gbe.h | 1 +\n 3 files changed, 40 insertions(+), 2 deletions(-)","diff":"diff --git a/board/mips/boston-riscv/Kconfig b/board/mips/boston-riscv/Kconfig\nindex bada4b6752d..f11ae736db4 100644\n--- a/board/mips/boston-riscv/Kconfig\n+++ b/board/mips/boston-riscv/Kconfig\n@@ -40,4 +40,8 @@ config PHY_REALTEK\n \tbool\n \tdefault y\n \n+config TFTP_FILE_NAME_MAX_LEN\n+\tint \"Maximum length of TFTP file name\"\n+\tdefault 256\n+\n endif\ndiff --git a/drivers/net/pch_gbe.c b/drivers/net/pch_gbe.c\nindex adeca3d040d..380dc339e50 100644\n--- a/drivers/net/pch_gbe.c\n+++ b/drivers/net/pch_gbe.c\n@@ -7,6 +7,7 @@\n \n #include \n #include \n+#include \n #include \n #include \n #include \n@@ -15,6 +16,7 @@\n #include \n #include \n #include \"pch_gbe.h\"\n+#include \n \n #if !defined(CONFIG_PHYLIB)\n # error \"PCH Gigabit Ethernet driver requires PHYLIB - missing CONFIG_PHYLIB\"\n@@ -33,6 +35,13 @@ static void pch_gbe_mac_read(struct pch_gbe_regs *mac_regs, u8 *addr)\n \tmacid_lo = readl(&mac_regs->mac_adr[0].low) & 0xffff;\n \tdebug(\"pch_gbe: macid_hi %#x macid_lo %#x\\n\", macid_hi, macid_lo);\n \n+\tif (!macid_lo && !macid_hi) {\n+\t\tif (eth_env_get_enetaddr(\"ethaddr\", addr))\n+\t\t\treturn;\n+\n+\t\tprintf(\"No MAC found in either EG20T H/W or environment\");\n+\t}\n+\n \taddr[0] = (u8)(macid_hi & 0xff);\n \taddr[1] = (u8)((macid_hi >> 8) & 0xff);\n \taddr[2] = (u8)((macid_hi >> 16) & 0xff);\n@@ -74,6 +83,14 @@ static int pch_gbe_reset(struct udevice *dev)\n \tpriv->rx_idx = 0;\n \tpriv->tx_idx = 0;\n \n+\tif (dm_gpio_is_valid(&priv->gpio_phy_reset)) {\n+\t\t/* Reset the PHY */\n+\t\tdm_gpio_set_value(&priv->gpio_phy_reset, 1);\n+\t\tudelay(15000);\n+\t\tdm_gpio_set_value(&priv->gpio_phy_reset, 0);\n+\t\tudelay(5000);\n+\t}\n+\n \twritel(PCH_GBE_ALL_RST, &mac_regs->reset);\n \n \t/*\n@@ -450,6 +467,11 @@ static int pch_gbe_probe(struct udevice *dev)\n \tplat->iobase = (ulong)iobase;\n \tpriv->mac_regs = (struct pch_gbe_regs *)iobase;\n \n+\terr = gpio_request_by_name(dev, \"phy-reset-gpios\", 0,\n+\t\t\t\t &priv->gpio_phy_reset, GPIOD_IS_OUT);\n+\tif (err && (err != -ENOENT))\n+\t\treturn err;\n+\n \t/* Read MAC address from SROM and initialize dev->enetaddr with it */\n \tpch_gbe_mac_read(priv->mac_regs, plat->enetaddr);\n \n@@ -459,9 +481,17 @@ static int pch_gbe_probe(struct udevice *dev)\n \n \terr = pch_gbe_reset(dev);\n \tif (err)\n-\t\treturn err;\n+\t\tgoto out_err;\n+\n+\terr = pch_gbe_phy_init(dev);\n+\tif (err)\n+\t\tgoto out_err;\n \n-\treturn pch_gbe_phy_init(dev);\n+\treturn 0;\n+out_err:\n+\tif (dm_gpio_is_valid(&priv->gpio_phy_reset))\n+\t\tdm_gpio_free(dev, &priv->gpio_phy_reset);\n+\treturn err;\n }\n \n static int pch_gbe_remove(struct udevice *dev)\n@@ -472,6 +502,9 @@ static int pch_gbe_remove(struct udevice *dev)\n \tmdio_unregister(priv->bus);\n \tmdio_free(priv->bus);\n \n+\tif (dm_gpio_is_valid(&priv->gpio_phy_reset))\n+\t\tdm_gpio_free(dev, &priv->gpio_phy_reset);\n+\n \treturn 0;\n }\n \ndiff --git a/drivers/net/pch_gbe.h b/drivers/net/pch_gbe.h\nindex 7e0fdbfd5a3..dcbb94094bc 100644\n--- a/drivers/net/pch_gbe.h\n+++ b/drivers/net/pch_gbe.h\n@@ -292,6 +292,7 @@ struct pch_gbe_priv {\n \tstruct udevice *dev;\n \tint rx_idx;\n \tint tx_idx;\n+\tstruct gpio_desc gpio_phy_reset;\n };\n \n #endif /* _PCH_GBE_H_ */\n","prefixes":["v7","6/7"]}